Rename qa directory to test

test/rpc-tests/create_cache.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+# Copyright (c) 2016 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+"""Create a blockchain cache.
+
+Creating a cache of the blockchain speeds up test execution when running
+multiple qa tests. This helper script is executed by rpc-tests when multiple
+tests are being run in parallel.
+"""
+
+from test_framework.test_framework import BitcoinTestFramework
+
+class CreateCache(BitcoinTestFramework):
+
+    def __init__(self):
+        super().__init__()
+
+        # Test network and test nodes are not required:
+        self.num_nodes = 0
+        self.nodes = []
+
+    def setup_network(self):
+        pass
+
+    def run_test(self):
+        pass
+
+if __name__ == '__main__':
+    CreateCache().main()